./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/max-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/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_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/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_34a16fb1-0a17-4f4f-914d-8a151954caa1/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 d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:44,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:44,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:44,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:44,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:44,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:44,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:44,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:44,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:44,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:44,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:44,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:44,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:44,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:44,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:44,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:44,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:44,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:44,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:44,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:44,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:44,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:44,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:44,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:44,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:44,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:44,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:44,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:44,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:44,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:44,217 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:44,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:44,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:44,219 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_34a16fb1-0a17-4f4f-914d-8a151954caa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f [2023-11-19 04:01:44,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:44,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:44,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:44,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:44,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:44,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/max-2-u.c [2023-11-19 04:01:47,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:47,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:47,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/sv-benchmarks/c/array-multidimensional/max-2-u.c [2023-11-19 04:01:47,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/data/4a90d4a93/0e580c0876624331b9aeb02440a3e4c5/FLAG0e1912688 [2023-11-19 04:01:48,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/data/4a90d4a93/0e580c0876624331b9aeb02440a3e4c5 [2023-11-19 04:01:48,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:48,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:48,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:48,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:48,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:48,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bae8c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48, skipping insertion in model container [2023-11-19 04:01:48,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:48,495 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_34a16fb1-0a17-4f4f-914d-8a151954caa1/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2023-11-19 04:01:48,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:48,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:48,537 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_34a16fb1-0a17-4f4f-914d-8a151954caa1/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2023-11-19 04:01:48,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:48,564 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:48,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48 WrapperNode [2023-11-19 04:01:48,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:48,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:48,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:48,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:48,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,604 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-19 04:01:48,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:48,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:48,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:48,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:48,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:48,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:48,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:48,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:48,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:48,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:48,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:48,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a16fb1-0a17-4f4f-914d-8a151954caa1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:48,779 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:48,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:48,983 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:49,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:49,060 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 04:01:49,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:49 BoogieIcfgContainer [2023-11-19 04:01:49,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:49,066 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:49,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:49,078 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:49,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:49" (1/1) ... [2023-11-19 04:01:49,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-19 04:01:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-19 04:01:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:49,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:49,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 04:01:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 04:01:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:49,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:49,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2023-11-19 04:01:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2023-11-19 04:01:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:01:49,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:49,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-19 04:01:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-19 04:01:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:50,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:50,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-19 04:01:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-19 04:01:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:50,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:50,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-19 04:01:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-19 04:01:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:50,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:50,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-19 04:01:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-19 04:01:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:50,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:50,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2023-11-19 04:01:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2023-11-19 04:01:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:50,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:51,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-19 04:01:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-19 04:01:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:51,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:01:51,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 04:01:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 04:01:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:51,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:51,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-19 04:01:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-19 04:01:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:51,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:01:51,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 04:01:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 04:01:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:52,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:52,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:52,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-19 04:01:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-19 04:01:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:52,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:52,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:01:52,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 04:01:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 04:01:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:52,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:52,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:52,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-19 04:01:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-19 04:01:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:52,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:53,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:01:53,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-19 04:01:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-19 04:01:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:53,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:01:53,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-19 04:01:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-19 04:01:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:01:53,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:53,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:01:53,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:53,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-19 04:01:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-19 04:01:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:53,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:54,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-19 04:01:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-19 04:01:54,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:54,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2023-11-19 04:01:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2023-11-19 04:01:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:54,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2023-11-19 04:01:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 04:01:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:55,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:01:55,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-19 04:01:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-19 04:01:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:55,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:55,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-19 04:01:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-19 04:01:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:01:55,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-19 04:01:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-19 04:01:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:56,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-19 04:01:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-19 04:01:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:56,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2023-11-19 04:01:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 04:01:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:57,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:01:57,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2023-11-19 04:01:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 04:01:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:57,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:01:57,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-11-19 04:01:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-19 04:01:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:01:58,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:58,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:01:58,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2023-11-19 04:01:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 04:01:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:01:58,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:58,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:58,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:01:58,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2023-11-19 04:01:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 04:01:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:59,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:59,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:59,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:01:59,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2023-11-19 04:01:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-19 04:01:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:01:59,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:59,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:01:59,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2023-11-19 04:02:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-19 04:02:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:02:00,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:00,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:00,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:02:00,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2023-11-19 04:02:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-11-19 04:02:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:02:00,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:00,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:00,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:02:00,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2023-11-19 04:02:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-11-19 04:02:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:02:01,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:01,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:02:01,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2023-11-19 04:02:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2023-11-19 04:02:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:02:01,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:01,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:02:01,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-19 04:02:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-19 04:02:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:02:02,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:02:02,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2023-11-19 04:02:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-19 04:02:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:02:02,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:02:02,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-19 04:02:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-19 04:02:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:02:03,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:02:03,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2023-11-19 04:02:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-19 04:02:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:02:04,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:02:04,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2023-11-19 04:02:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2023-11-19 04:02:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:04,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:02:04,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2023-11-19 04:02:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-11-19 04:02:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:02:05,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:05,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:05,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:02:05,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2023-11-19 04:02:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-11-19 04:02:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:02:06,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:02:06,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2023-11-19 04:02:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2023-11-19 04:02:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:02:06,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:07,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:02:07,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2023-11-19 04:02:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2023-11-19 04:02:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:02:07,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:07,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:02:07,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2023-11-19 04:02:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2023-11-19 04:02:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:02:08,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:08,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 04:02:08,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2023-11-19 04:02:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2023-11-19 04:02:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:02:09,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:09,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 04:02:09,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2023-11-19 04:02:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2023-11-19 04:02:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:02:09,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 04:02:09,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2023-11-19 04:02:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-19 04:02:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:02:10,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:10,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 04:02:10,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2023-11-19 04:02:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2023-11-19 04:02:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:02:11,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 04:02:11,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2023-11-19 04:02:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2023-11-19 04:02:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:02:11,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2023-11-19 04:02:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-11-19 04:02:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:02:12,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2023-11-19 04:02:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2023-11-19 04:02:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:02:13,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:13,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:13,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 04:02:13,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2023-11-19 04:02:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2023-11-19 04:02:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:02:14,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:14,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 04:02:14,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2023-11-19 04:02:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2023-11-19 04:02:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:02:15,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:15,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 04:02:15,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2023-11-19 04:02:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2023-11-19 04:02:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:02:16,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:16,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 04:02:16,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2023-11-19 04:02:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2023-11-19 04:02:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:02:16,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:17,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 04:02:17,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2023-11-19 04:02:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2023-11-19 04:02:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:02:17,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:17,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 04:02:17,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2023-11-19 04:02:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2023-11-19 04:02:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:02:18,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:18,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:18,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 04:02:18,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2023-11-19 04:02:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2023-11-19 04:02:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:02:19,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:19,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 04:02:19,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2023-11-19 04:02:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2023-11-19 04:02:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:02:20,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:20,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:20,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 04:02:20,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-19 04:02:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 04:02:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:02:21,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:21,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 04:02:21,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2023-11-19 04:02:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-11-19 04:02:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:02:21,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:22,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 04:02:22,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2023-11-19 04:02:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2023-11-19 04:02:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:02:22,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:23,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 04:02:23,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2023-11-19 04:02:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-11-19 04:02:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:02:23,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2023-11-19 04:02:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2023-11-19 04:02:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:02:25,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 04:02:25,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-11-19 04:02:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-11-19 04:02:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:02:26,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:26,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 04:02:26,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-11-19 04:02:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-11-19 04:02:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:02:26,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:27,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 04:02:27,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2023-11-19 04:02:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2023-11-19 04:02:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:02:27,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:28,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 04:02:28,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2023-11-19 04:02:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2023-11-19 04:02:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:02:28,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:29,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 04:02:29,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2023-11-19 04:02:29,921 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-19 04:02:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 04:02:29,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 04:02:30,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2023-11-19 04:02:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2023-11-19 04:02:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:02:30,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:30,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 04:02:30,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2023-11-19 04:02:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-11-19 04:02:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:02:31,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 04:02:31,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2023-11-19 04:02:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2023-11-19 04:02:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:02:32,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 04:02:32,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2023-11-19 04:02:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2023-11-19 04:02:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 04:02:33,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 04:02:33,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2023-11-19 04:02:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2023-11-19 04:02:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:02:34,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:34,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 04:02:34,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2023-11-19 04:02:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2023-11-19 04:02:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:02:35,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:35,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:35,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 04:02:35,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2023-11-19 04:02:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-11-19 04:02:36,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:02:36,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:37,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 04:02:37,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2023-11-19 04:02:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2023-11-19 04:02:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:02:37,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:37,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:38,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 04:02:38,065 INFO L285 TraceCheckSpWp]: Computing forward predicates...