./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/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 caaec4b6d97bde36a1fbc7dfb6c9c9f88e0ac7fb0d2e87f4054fca32d8e102e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:03,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:03,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:03,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:03,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:03,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:03,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:03,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:03,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:03,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:03,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:03,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:03,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:03,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:03,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:03,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:03,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:03,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:03,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:03,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:03,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:03,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:03,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:03,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:03,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:03,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:03,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:03,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:03,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:03,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:03,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:03,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:03,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:03,811 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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caaec4b6d97bde36a1fbc7dfb6c9c9f88e0ac7fb0d2e87f4054fca32d8e102e9 [2023-11-19 02:48:04,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:04,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:04,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:04,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:04,138 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:04,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/copy-3-n-u.c [2023-11-19 02:48:07,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:07,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:07,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/sv-benchmarks/c/array-multidimensional/copy-3-n-u.c [2023-11-19 02:48:07,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/data/aed3edf7f/a084d9ea08f944fda9d9971f8d7ea6b9/FLAG9d0ad659c [2023-11-19 02:48:07,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/data/aed3edf7f/a084d9ea08f944fda9d9971f8d7ea6b9 [2023-11-19 02:48:07,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:07,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:07,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:07,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:07,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:07,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb7ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07, skipping insertion in model container [2023-11-19 02:48:07,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:07,731 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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/sv-benchmarks/c/array-multidimensional/copy-3-n-u.c[322,335] [2023-11-19 02:48:07,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:07,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:07,774 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_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/sv-benchmarks/c/array-multidimensional/copy-3-n-u.c[322,335] [2023-11-19 02:48:07,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:07,818 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:07,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07 WrapperNode [2023-11-19 02:48:07,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:07,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:07,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:07,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:07,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,855 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-19 02:48:07,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:07,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:07,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:07,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:07,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:07,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:07,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:07,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:07,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:07" (1/1) ... [2023-11-19 02:48:07,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:07,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:07,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:07,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60eddda4-ecd9-4cfd-82b8-8b84a8a5a561/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:08,055 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:08,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:08,305 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:08,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:08,386 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 02:48:08,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:08 BoogieIcfgContainer [2023-11-19 02:48:08,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:08,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:08,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:08,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:08,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2023-11-19 02:48:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2023-11-19 02:48:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:48:08,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:08,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:08,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:08,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:08,711 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 02:48:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-19 02:48:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-19 02:48:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:08,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:08,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:08,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:08,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-19 02:48:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-19 02:48:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:48:09,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2023-11-19 02:48:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2023-11-19 02:48:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:09,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-11-19 02:48:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-11-19 02:48:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:48:09,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2023-11-19 02:48:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2023-11-19 02:48:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:48:09,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-19 02:48:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-19 02:48:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:48:10,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2023-11-19 02:48:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-19 02:48:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:48:10,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-11-19 02:48:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-11-19 02:48:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:48:10,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-19 02:48:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-19 02:48:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:10,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2023-11-19 02:48:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2023-11-19 02:48:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:11,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-19 02:48:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:48:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:11,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-11-19 02:48:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-19 02:48:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:11,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-19 02:48:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-19 02:48:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:48:12,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:12,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:48:12,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2023-11-19 02:48:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-11-19 02:48:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:48:12,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:12,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:12,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:48:12,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:12,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-19 02:48:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-19 02:48:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:48:12,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:12,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:12,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:48:12,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 02:48:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:48:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:48:13,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:13,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:48:13,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-11-19 02:48:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-11-19 02:48:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:48:13,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:13,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:48:13,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 02:48:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 02:48:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:48:13,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:13,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:48:13,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-19 02:48:14,247 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-19 02:48:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:48:14,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-19 02:48:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-19 02:48:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:48:14,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-19 02:48:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-19 02:48:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:48:14,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-19 02:48:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-19 02:48:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:15,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-19 02:48:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-19 02:48:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:48:15,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2023-11-19 02:48:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-19 02:48:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:48:16,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:16,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:48:16,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2023-11-19 02:48:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-19 02:48:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:16,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:16,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:48:16,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2023-11-19 02:48:17,293 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2023-11-19 02:48:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:48:17,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:17,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:48:17,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2023-11-19 02:48:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2023-11-19 02:48:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:48:17,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:17,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:48:17,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-19 02:48:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-19 02:48:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:48:18,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:18,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:18,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:48:18,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2023-11-19 02:48:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2023-11-19 02:48:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:48:18,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:18,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:48:18,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2023-11-19 02:48:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2023-11-19 02:48:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:48:19,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:19,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:48:19,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2023-11-19 02:48:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2023-11-19 02:48:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:48:19,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:19,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:48:19,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2023-11-19 02:48:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-19 02:48:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:48:20,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:20,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:20,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:48:20,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2023-11-19 02:48:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-19 02:48:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:48:21,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:21,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:48:21,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2023-11-19 02:48:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-19 02:48:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:48:21,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:21,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:21,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:48:21,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2023-11-19 02:48:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-19 02:48:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:48:22,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:22,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:48:22,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2023-11-19 02:48:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-19 02:48:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:48:22,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:22,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:22,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 02:48:22,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-11-19 02:48:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-19 02:48:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:48:23,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:23,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:48:23,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2023-11-19 02:48:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-19 02:48:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:48:24,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:24,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:24,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:48:24,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2023-11-19 02:48:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2023-11-19 02:48:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:48:24,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:24,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:24,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 02:48:24,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-19 02:48:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-19 02:48:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:48:25,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:25,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:25,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 02:48:25,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2023-11-19 02:48:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-19 02:48:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:48:25,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 02:48:26,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:26,293 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-19 02:48:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-19 02:48:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:48:26,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:48:26,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-19 02:48:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-19 02:48:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:48:27,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:27,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 02:48:27,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-19 02:48:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-19 02:48:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:48:27,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:28,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 02:48:28,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2023-11-19 02:48:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-19 02:48:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:48:28,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:28,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:28,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 02:48:28,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-11-19 02:48:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-19 02:48:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:48:29,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-11-19 02:48:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-19 02:48:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:48:29,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:30,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 02:48:30,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-11-19 02:48:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-19 02:48:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:48:30,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:30,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 02:48:30,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2023-11-19 02:48:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-19 02:48:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:48:31,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:31,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 02:48:31,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2023-11-19 02:48:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-11-19 02:48:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:48:32,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:32,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 02:48:32,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:33,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-11-19 02:48:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-11-19 02:48:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:48:33,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:33,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 02:48:33,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2023-11-19 02:48:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-19 02:48:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:48:33,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:33,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 02:48:33,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-19 02:48:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-19 02:48:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:48:34,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:34,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:34,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 02:48:34,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-19 02:48:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-19 02:48:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:48:35,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:35,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:48:35,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-19 02:48:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-19 02:48:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:48:36,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:36,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:36,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 02:48:36,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-11-19 02:48:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-19 02:48:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:48:36,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:36,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:37,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 02:48:37,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2023-11-19 02:48:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2023-11-19 02:48:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:48:37,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:37,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:38,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 02:48:38,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-19 02:48:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-19 02:48:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:48:38,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:38,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 02:48:38,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2023-11-19 02:48:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2023-11-19 02:48:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:48:39,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:39,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:39,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 02:48:39,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-19 02:48:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-19 02:48:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:48:40,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:40,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:40,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 02:48:40,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2023-11-19 02:48:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2023-11-19 02:48:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:48:41,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:41,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:41,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 02:48:41,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2023-11-19 02:48:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2023-11-19 02:48:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:48:42,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:42,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 02:48:42,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2023-11-19 02:48:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2023-11-19 02:48:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:48:42,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:43,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 02:48:43,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2023-11-19 02:48:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2023-11-19 02:48:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:48:43,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:43,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 02:48:43,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2023-11-19 02:48:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-19 02:48:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:48:44,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-19 02:48:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-19 02:48:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:48:45,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:45,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 02:48:45,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2023-11-19 02:48:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2023-11-19 02:48:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:48:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:46,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 02:48:46,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2023-11-19 02:48:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-19 02:48:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:48:47,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:47,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 02:48:47,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2023-11-19 02:48:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2023-11-19 02:48:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:48:48,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:48,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 02:48:48,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2023-11-19 02:48:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2023-11-19 02:48:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:48:49,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:49,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:49,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 02:48:49,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 02:48:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 02:48:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 02:48:50,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:50,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:50,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 02:48:50,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2023-11-19 02:48:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2023-11-19 02:48:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 02:48:51,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:51,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:51,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 02:48:51,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2023-11-19 02:48:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2023-11-19 02:48:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:48:52,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:52,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 02:48:52,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2023-11-19 02:48:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2023-11-19 02:48:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 02:48:53,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:53,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 02:48:53,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2023-11-19 02:48:54,143 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2023-11-19 02:48:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:48:54,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:54,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:54,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 02:48:54,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2023-11-19 02:48:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2023-11-19 02:48:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 02:48:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2023-11-19 02:48:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2023-11-19 02:48:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:48:56,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms