./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-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_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/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_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/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_c610b3c3-79e0-4a9d-887b-590be97583bc/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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:57,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:57,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:57,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:57,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:57,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:57,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:57,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:57,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:57,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:57,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:57,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:57,316 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:57,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:57,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:57,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:57,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:57,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:57,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:57,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:57,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:57,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:57,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:57,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:57,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:57,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:57,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:57,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:57,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:57,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:57,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:57,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:57,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:57,328 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_c610b3c3-79e0-4a9d-887b-590be97583bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2023-11-19 04:08:57,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:57,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:57,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:57,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:57,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:57,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2023-11-19 04:09:00,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:01,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:01,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2023-11-19 04:09:01,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/data/7adb20a7c/1886211d18c94ba99dfac0669850deb1/FLAG319c5f6c5 [2023-11-19 04:09:01,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/data/7adb20a7c/1886211d18c94ba99dfac0669850deb1 [2023-11-19 04:09:01,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:01,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:01,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:01,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:01,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:01,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647fe08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01, skipping insertion in model container [2023-11-19 04:09:01,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:01,215 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_c610b3c3-79e0-4a9d-887b-590be97583bc/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2023-11-19 04:09:01,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:01,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:01,255 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_c610b3c3-79e0-4a9d-887b-590be97583bc/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2023-11-19 04:09:01,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:01,280 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:01,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01 WrapperNode [2023-11-19 04:09:01,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:01,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:01,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:01,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:01,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,321 INFO L138 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-19 04:09:01,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:01,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:01,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:01,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:01,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:01,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:01,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:01,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:01,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:01,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:01,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c610b3c3-79e0-4a9d-887b-590be97583bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:09:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:01,495 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:01,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:01,675 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:01,728 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:01,729 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 04:09:01,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:01 BoogieIcfgContainer [2023-11-19 04:09:01,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:01,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:01,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:01,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:01,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 04:09:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 04:09:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:09:01,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 25 transitions. [2023-11-19 04:09:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 04:09:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:02,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 30 transitions. [2023-11-19 04:09:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 04:09:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:02,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 31 transitions. [2023-11-19 04:09:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-11-19 04:09:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:02,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 32 transitions. [2023-11-19 04:09:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 04:09:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:03,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 33 transitions. [2023-11-19 04:09:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-19 04:09:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:03,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 34 transitions. [2023-11-19 04:09:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 04:09:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:03,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 35 transitions. [2023-11-19 04:09:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 04:09:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:09:03,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 36 transitions. [2023-11-19 04:09:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 04:09:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:04,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 37 transitions. [2023-11-19 04:09:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 04:09:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:09:04,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 38 transitions. [2023-11-19 04:09:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-19 04:09:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:09:04,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2023-11-19 04:09:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-19 04:09:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:09:04,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 40 transitions. [2023-11-19 04:09:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 04:09:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:05,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 41 transitions. [2023-11-19 04:09:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 04:09:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:05,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 42 transitions. [2023-11-19 04:09:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-19 04:09:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:09:05,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 43 transitions. [2023-11-19 04:09:06,196 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-19 04:09:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:09:06,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:09:06,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 44 transitions. [2023-11-19 04:09:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 04:09:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:06,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:09:06,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 45 transitions. [2023-11-19 04:09:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 04:09:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:06,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:09:06,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 46 transitions. [2023-11-19 04:09:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 04:09:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:09:07,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:07,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 47 transitions. [2023-11-19 04:09:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 04:09:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:07,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:09:07,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 48 transitions. [2023-11-19 04:09:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-19 04:09:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:08,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 49 transitions. [2023-11-19 04:09:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 04:09:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:09:08,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 50 transitions. [2023-11-19 04:09:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-19 04:09:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:09:08,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 51 transitions. [2023-11-19 04:09:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-19 04:09:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:09:09,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 52 transitions. [2023-11-19 04:09:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 04:09:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:09,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 53 transitions. [2023-11-19 04:09:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 04:09:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:09:10,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 54 transitions. [2023-11-19 04:09:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-11-19 04:09:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:09:10,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 55 transitions. [2023-11-19 04:09:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-19 04:09:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:09:11,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 56 transitions. [2023-11-19 04:09:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-19 04:09:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:09:11,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 57 transitions. [2023-11-19 04:09:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-19 04:09:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:09:12,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:09:12,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 58 transitions. [2023-11-19 04:09:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-19 04:09:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:09:12,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:09:12,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 59 transitions. [2023-11-19 04:09:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-19 04:09:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:09:13,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:09:13,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 60 transitions. [2023-11-19 04:09:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-19 04:09:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:13,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:09:13,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 61 transitions. [2023-11-19 04:09:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-19 04:09:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:09:14,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 62 transitions. [2023-11-19 04:09:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-19 04:09:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:09:14,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 63 transitions. [2023-11-19 04:09:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-19 04:09:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:15,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:09:15,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 64 transitions. [2023-11-19 04:09:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-19 04:09:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:09:15,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:09:15,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 65 transitions. [2023-11-19 04:09:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-19 04:09:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:16,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 66 transitions. [2023-11-19 04:09:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-19 04:09:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:16,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 67 transitions. [2023-11-19 04:09:17,564 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2023-11-19 04:09:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:17,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 68 transitions. [2023-11-19 04:09:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-19 04:09:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:18,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:09:18,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 69 transitions. [2023-11-19 04:09:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2023-11-19 04:09:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:09:18,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:09:18,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 70 transitions. [2023-11-19 04:09:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2023-11-19 04:09:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:09:19,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:19,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:19,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:09:19,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 71 transitions. [2023-11-19 04:09:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2023-11-19 04:09:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:09:20,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:20,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:09:20,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 72 transitions. [2023-11-19 04:09:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2023-11-19 04:09:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:09:20,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:21,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 04:09:21,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 73 transitions. [2023-11-19 04:09:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2023-11-19 04:09:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:09:21,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:21,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:21,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 04:09:21,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 74 transitions. [2023-11-19 04:09:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2023-11-19 04:09:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:09:22,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 04:09:22,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 75 transitions. [2023-11-19 04:09:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 04:09:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:09:23,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:23,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 04:09:23,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 76 transitions. [2023-11-19 04:09:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2023-11-19 04:09:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:09:23,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:23,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 04:09:23,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 77 transitions. [2023-11-19 04:09:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2023-11-19 04:09:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:09:24,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 04:09:24,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 78 transitions. [2023-11-19 04:09:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-19 04:09:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:09:25,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 04:09:25,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 79 transitions. [2023-11-19 04:09:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 04:09:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:09:26,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 04:09:26,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 80 transitions. [2023-11-19 04:09:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-19 04:09:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:09:26,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:26,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:27,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 04:09:27,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 81 transitions. [2023-11-19 04:09:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2023-11-19 04:09:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:09:27,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:27,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 04:09:27,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 82 transitions. [2023-11-19 04:09:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-19 04:09:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:09:28,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 83 transitions. [2023-11-19 04:09:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2023-11-19 04:09:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:09:29,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 84 transitions. [2023-11-19 04:09:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2023-11-19 04:09:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:09:29,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 04:09:30,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 85 transitions. [2023-11-19 04:09:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-11-19 04:09:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:09:30,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 04:09:30,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 86 transitions. [2023-11-19 04:09:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-11-19 04:09:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:09:31,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 04:09:31,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 87 transitions. [2023-11-19 04:09:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-11-19 04:09:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:09:32,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:32,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:32,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 04:09:32,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 88 transitions. [2023-11-19 04:09:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-19 04:09:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:09:33,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 89 transitions. [2023-11-19 04:09:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-19 04:09:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:09:33,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1833 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 80 states and 90 transitions. [2023-11-19 04:09:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-11-19 04:09:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 04:09:34,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:35,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 04:09:35,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 91 transitions. [2023-11-19 04:09:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-11-19 04:09:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:09:35,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 92 transitions. [2023-11-19 04:09:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-11-19 04:09:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:09:36,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2019 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 93 transitions. [2023-11-19 04:09:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2023-11-19 04:09:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:09:37,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:38,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 04:09:38,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 94 transitions. [2023-11-19 04:09:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-19 04:09:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 04:09:38,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:38,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 04:09:39,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 95 transitions. [2023-11-19 04:09:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-11-19 04:09:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:09:39,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 86 states and 96 transitions. [2023-11-19 04:09:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2023-11-19 04:09:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:09:40,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2281 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 87 states and 97 transitions. [2023-11-19 04:09:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2023-11-19 04:09:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:09:41,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 98 transitions. [2023-11-19 04:09:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2023-11-19 04:09:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:09:42,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:42,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 04:09:42,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 99 transitions. [2023-11-19 04:09:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2023-11-19 04:09:43,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:09:43,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:43,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:43,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 04:09:43,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2488 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 100 transitions. [2023-11-19 04:09:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2023-11-19 04:09:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 04:09:44,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:44,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:44,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 04:09:44,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 101 transitions. [2023-11-19 04:09:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2023-11-19 04:09:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 04:09:45,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 102 transitions. [2023-11-19 04:09:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2023-11-19 04:09:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 04:09:46,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:46,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 04:09:46,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 103 transitions. [2023-11-19 04:09:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2023-11-19 04:09:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 04:09:47,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:47,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 04:09:47,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2778 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 104 transitions. [2023-11-19 04:09:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2023-11-19 04:09:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 04:09:48,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:48,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 105 transitions. [2023-11-19 04:09:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2023-11-19 04:09:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:09:49,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:49,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 04:09:49,742 INFO L285 TraceCheckSpWp]: Computing forward predicates...